Optical disc player signal reading device with improved drive st

Details Optical disc player signal reading device with improved drive st Optical disc player signal reading device with improved drive st

1980-07-22

1983-01-04

Cardillo, Jr., Raymond F.

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

250201, G01J 120, G11B 712

Patent

active

043675433

ABSTRACT:
An optical player signal reading device in which a supporting member having inner and outer cylinders pivotally supports an optical pickup. One of the inner and outer cylinders is made of an elastic material or, alternatively, an elastic piece is disposed between the inner and outer cylinder. The pickup is pivoted by a pair of tracking-direction drive sections disposed above and below the supporting member with the elastic component of the supporting member acting as a fulcrum. A focus-direction drive section moves the pickup in the focusing direction.

REFERENCES:
patent: 4092529 (1978-05-01), Aihara
patent: 4100405 (1978-07-01), Kondrollochis
patent: 4135083 (1979-01-01), Van Alem et al.
patent: 4135206 (1979-01-01), Kleuters et al.

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